And I say mane 4, because Rarity handles it the best and Fluttershy too.
In another hand:
All Rainbow Dash episodes related to the Wonderbolts and herself were trash after season 5.
All of Twilight interactions, episodes post-season 5 were also garbage.
I don't even have to speak how bad they fucked Applejack
And Pinkie going crazier and crazier..